@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #00c6ff;
    --secondary-color: #0072ff;
    --text-color: #e5e7eb;
    --bg-color: #0f0c29;
    --bg-gradient-a: #24243e;
    --bg-gradient-b: #302b63;
    --bg-gradient-c: #0f0c29;
    --glass-bg: rgba(255, 255, 255, 0.12);
    --glass-tint: rgba(15,12,41,0.35);
    --glass-border: rgba(255, 255, 255, 0.22);
    --glass-highlight: rgba(255, 255, 255, 0.35);
    --glass-blur: 20px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.35);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.28);
    --correct-color: #28a745;
    --incorrect-color: #dc3545;

    /* Motion tokens (iOS-like) */
    --motion-tap: 180ms;
    --motion-transition: 240ms;
    --motion-sheet: 320ms;
    --ease-enter: cubic-bezier(0.18, 0.89, 0.32, 1.28);
    --ease-exit: cubic-bezier(0.22, 1, 0.36, 1);

    /* Light Theme Variables */
    --light-primary-color: #4CAF50;
    --light-secondary-color: #8BC34A;
    --light-text-color: #333;
    --light-bg-color: #f0f2f5;
    --light-glass-bg: rgba(0, 0, 0, 0.05);
    --light-glass-border: rgba(0, 0, 0, 0.1);
}

body.light-theme {
    --primary-color: var(--light-primary-color);
    --secondary-color: var(--light-secondary-color);
    --text-color: var(--light-text-color);
    --bg-color: var(--light-bg-color);
    --glass-bg: rgba(255,255,255,0.55);
    --glass-tint: rgba(255,255,255,0.35);
    --glass-border: var(--light-glass-border);
    --glass-highlight: rgba(255,255,255,0.8);
    /* Reduce GPU-heavy effects for performance */
    --glass-blur: 0px;
    --shadow-lg: 0 16px 36px rgba(0,0,0,0.18);
    --shadow-md: 0 8px 20px rgba(0,0,0,0.15);
    background: var(--light-bg-color);
    background: linear-gradient(135deg, #e9eef6, #ffffff);
    /* Turn off animated background for smoother UIs on tablets */
    animation: none !important;
}

/* Light theme: simplify background and remove decorative shapes */
body.light-theme .background-shapes { display: none; }

/* Light theme: flatten glass components to solid surfaces (no backdrop-filter) */
body.light-theme .glass-card {
    background: #ffffff;
    border: 1px solid #e6e6e6;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}
body.light-theme .glass-card::before { display: none; }

/* Header capsule without blur for better performance */
body.light-theme .app-header {
    background: #ffffff;
    border: 1px solid #e6e6e6;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
body.light-theme .icon-button {
    background: #ffffff;
    border: 1px solid #e6e6e6;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

/* Inputs and list items as plain cards */
body.light-theme #search-bar,
body.light-theme #fill-in-blank-input,
body.light-theme textarea.json-textarea {
    background: #ffffff;
    color: #111111;
    border: 1px solid #d9d9d9;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

body.light-theme #quiz-list .quiz-item,
body.light-theme #bird-list .quiz-item,
body.light-theme .option,
body.light-theme #explanation-area,
body.light-theme .review-item {
    background: #ffffff;
    border: 1px solid #e6e6e6;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}
body.light-theme .option:hover { background: #fafafa; border-color: #e0e0e0; }

/* Progress bar container without blur */
body.light-theme #quiz-progress.progress {
    background: #eeeeee;
    border: 1px solid #dddddd;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

/* Modals: remove overlay blur to avoid GPU cost */
body.light-theme .modal-overlay.open {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(0,0,0,0.25);
}
body.light-theme .modal-content.glass-card {
    background: #ffffff;
    border: 1px solid #e6e6e6;
}

/* Motivation backdrop without blur */
body.light-theme .motivation-backdrop {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

/* --- Performance Mode (global overrides) --- */
body.perf-mode {
    /* Hard disable background animations and heavy effects */
    background: #ffffff !important;
    animation: none !important;
    --glass-blur: 0px;
    --shadow-lg: none;
    --shadow-md: none;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
body.perf-mode .background-shapes { display: none !important; }
body.perf-mode *, body.perf-mode *::before, body.perf-mode *::after {
    animation: none !important;
    transition: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
}
body.perf-mode .glass-card,
body.perf-mode .app-header,
body.perf-mode .icon-button,
body.perf-mode #quiz-progress.progress,
body.perf-mode .open-in-app-banner,
body.perf-mode .page-views-chip,
body.perf-mode .modal-overlay,
body.perf-mode .modal-content,
body.perf-mode #quiz-list .quiz-item,
body.perf-mode #bird-list .quiz-item,
body.perf-mode .option,
body.perf-mode #explanation-area,
body.perf-mode .review-item {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: #ffffff !important;
    border: 1px solid #e6e6e6 !important;
}
body.perf-mode .option:hover,
body.perf-mode #quiz-list .quiz-item:hover,
body.perf-mode #bird-list .quiz-item:hover {
    background: #fafafa !important;
}
/* Preserve clear feedback colors in performance mode */
body.perf-mode .option.correct {
    background-color: var(--correct-color) !important;
    border-color: var(--correct-color) !important;
    color: #ffffff !important;
}
body.perf-mode .option.incorrect {
    background-color: var(--incorrect-color) !important;
    border-color: var(--incorrect-color) !important;
    color: #ffffff !important;
}
body.perf-mode button {
    transform: none !important;
    filter: none !important;
    background: #1e88e5 !important; /* solid primary for speed */
    border: 1px solid #1b6fc1 !important;
}
/* Hide theme toggle in performance mode */
body.perf-mode #theme-toggle { display: none !important; }
body.perf-mode button:hover, body.perf-mode button:active { transform: none !important; filter: none !important; }
body.perf-mode #search-bar,
body.perf-mode #fill-in-blank-input,
body.perf-mode textarea.json-textarea { background:#ffffff !important; border:1px solid #d9d9d9 !important; color:#111111 !important; }
body.perf-mode #quiz-progress .progress-bar { transition: none !important; }

/* Starry Theme Variables + background */
body.starry-theme {
    --primary-color: #3aa0ff;
    --secondary-color: #1e5bd8;
    --text-color: #dfe7ff;
    --bg-color: #070b1a;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-tint: rgba(7, 11, 26, 0.45);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-highlight: rgba(255, 255, 255, 0.28);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.55);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.45);
    background: radial-gradient(1200px 600px at 20% 10%, #0a1130 0%, rgba(10,17,48,0.0) 55%),
                radial-gradient(1000px 500px at 80% 90%, #0b1333 0%, rgba(11,19,51,0.0) 55%),
                #070b1a;
    animation: none;
}

/* Improve readability of modals and inputs in light theme */
body.light-theme .modal-content.glass-card {
    background: #ffffff;
    border: 1px solid #dddddd;
}
body.light-theme .settings-section { border-bottom: 1px solid #eeeeee; }
body.light-theme input[type="text"],
body.light-theme input[type="number"],
body.light-theme input[type="file"],
body.light-theme textarea.json-textarea {
    background: #ffffff;
    color: #111111;
    border: 1px solid #cccccc;
}
body.light-theme input::placeholder,
body.light-theme textarea::placeholder { color: #666666; }
body.light-theme .json-format-example {
    background: #f7f7f7;
    border: 1px solid #e0e0e0;
    color: #111111;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(120deg, var(--bg-gradient-a), var(--bg-gradient-b), var(--bg-gradient-c));
    background-size: 200% 200%;
    animation: bg-pan 24s ease infinite;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
}

@keyframes bg-pan {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

#app-container {
    width: min(92vw, 720px);
    text-align: center;
    padding: 24px 0;
    box-sizing: border-box;
    will-change: opacity, filter, transform;
    transition: opacity var(--motion-transition) var(--ease-enter), filter var(--motion-transition) var(--ease-enter), transform var(--motion-transition) var(--ease-enter);
}

/* Page enter/exit */
body.page-enter #app-container { opacity: 0; filter: blur(8px); transform: translateY(8px) scale(0.995); }
body.page-exit  #app-container { opacity: 0; filter: blur(10px); transform: translateY(10px) scale(0.992); transition: opacity var(--motion-transition) var(--ease-exit), filter var(--motion-transition) var(--ease-exit), transform var(--motion-transition) var(--ease-exit); }

.background-shapes {
    position: fixed;
    inset: 0;
    /* On some mobile browsers, negative z-index can render behind the body background.
       Keep it in the base layer and lift foreground content instead. */
    z-index: 0;
    pointer-events: none;
}
.background-shapes::before,
.background-shapes::after {
    content: "";
    position: absolute;
    filter: blur(80px) hue-rotate(0deg);
    opacity: 0.55;
    will-change: transform, filter, opacity;
}
.background-shapes::before {
    width: 60vmin; height: 60vmin;
    left: -10vmin; top: -10vmin;
    background: radial-gradient(closest-side, rgba(0,198,255,0.55), transparent 70%);
    animation: blob-move-a 42s ease-in-out infinite alternate, blob-hue 60s linear infinite;
}
.background-shapes::after {
    width: 70vmin; height: 70vmin;
    right: -10vmin; bottom: -10vmin;
    background: radial-gradient(closest-side, rgba(0,114,255,0.55), transparent 70%);
    animation: blob-move-b 36s ease-in-out infinite alternate, blob-hue 60s linear infinite;
}

/* Override shapes to starfield for starry theme */
body.starry-theme .background-shapes::before,
body.starry-theme .background-shapes::after {
    filter: none;
    opacity: 1;
    width: 2px; height: 2px; /* star size for ::before */
    background: transparent;
    box-shadow:
      20px 40px #fff,
      120px 60px #cfe7ff,
      240px 120px #9fc9ff,
      360px 30px #ffffff,
      480px 200px #d7ecff,
      600px 140px #bcd9ff,
      720px 80px #eaf4ff,
      840px 220px #ffffff,
      960px 40px #d7ecff,
      1080px 160px #9fc9ff,
      50vw 20vh #ffffff,
      10vw 70vh #cfe7ff,
      30vw 40vh #9fc9ff,
      70vw 30vh #ffffff,
      85vw 65vh #d7ecff,
      60vw 80vh #bcd9ff,
      25vw 20vh #eaf4ff,
      40vw 75vh #ffffff,
      75vw 55vh #d7ecff,
      15vw 35vh #9fc9ff,
      5vw 10vh #fff,
      92vw 12vh #cfe7ff,
      80vw 5vh #9fc9ff,
      8vw 85vh #ffffff,
      55vw 92vh #d7ecff,
      35vw 88vh #bcd9ff,
      18vw 60vh #eaf4ff,
      66vw 44vh #ffffff,
      88vw 32vh #d7ecff,
      42vw 18vh #9fc9ff;
    /* Twinkle + slow drift */
    animation: star-twinkle 7s ease-in-out infinite alternate, star-drift-a 120s linear infinite;
}

body.starry-theme .background-shapes::after {
    width: 1px; height: 1px; /* smaller distant stars */
    opacity: 0.9;
    box-shadow:
      12px 220px #ffffff,
      160px 180px #cfe7ff,
      280px 60px #9fc9ff,
      400px 260px #ffffff,
      520px 120px #d7ecff,
      640px 20px #bcd9ff,
      760px 160px #eaf4ff,
      880px 300px #ffffff,
      1000px 200px #d7ecff,
      1120px 40px #9fc9ff,
      5vw 50vh #ffffff,
      18vw 22vh #cfe7ff,
      28vw 66vh #9fc9ff,
      46vw 12vh #ffffff,
      58vw 70vh #d7ecff,
      62vw 28vh #bcd9ff,
      72vw 84vh #eaf4ff,
      82vw 16vh #ffffff,
      90vw 46vh #d7ecff,
      96vw 78vh #9fc9ff,
      12vw 14vh #ffffff,
      22vw 88vh #d7ecff,
      32vw 72vh #9fc9ff,
      44vw 48vh #ffffff,
      52vw 22vh #d7ecff,
      68vw 36vh #bcd9ff,
      74vw 58vh #eaf4ff,
      84vw 26vh #ffffff,
      26vw 56vh #d7ecff,
      14vw 42vh #9fc9ff;
    /* Slightly different timing and direction for parallax */
    animation: star-twinkle 9s ease-in-out infinite alternate, star-drift-b 180s linear infinite;
}

@keyframes star-twinkle {
  0% { opacity: 0.72; }
  50% { opacity: 1; }
  100% { opacity: 0.78; }
}

@keyframes star-drift-a {
  0% { transform: translate(0, 0); }
  50% { transform: translate(40px, -20px); }
  100% { transform: translate(80px, -40px); }
}

@keyframes star-drift-b {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-50px, 25px); }
  100% { transform: translate(-100px, 50px); }
}

@keyframes blob-move-a {
  0%   { transform: translate(0, 0) scale(1); opacity: 0.48; }
  33%  { transform: translate(18vmin, 6vmin) scale(1.08); opacity: 0.60; }
  66%  { transform: translate(6vmin, 20vmin) scale(0.96); opacity: 0.52; }
  100% { transform: translate(24vmin, 10vmin) scale(1.10); opacity: 0.58; }
}

@keyframes blob-move-b {
  0%   { transform: translate(0, 0) scale(1); opacity: 0.50; }
  33%  { transform: translate(-16vmin, -8vmin) scale(1.06); opacity: 0.62; }
  66%  { transform: translate(-6vmin, -20vmin) scale(0.94); opacity: 0.54; }
  100% { transform: translate(-22vmin, -10vmin) scale(1.12); opacity: 0.60; }
}

@keyframes blob-hue {
  0%   { filter: blur(80px) hue-rotate(0deg); }
  50%  { filter: blur(80px) hue-rotate(180deg); }
  100% { filter: blur(80px) hue-rotate(360deg); }
}

.glass-card {
    position: relative;
    background: linear-gradient(180deg, var(--glass-bg), var(--glass-tint));
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
    /* Ensure cards render above the starry backdrop on mobile */
    z-index: 1;
}

.glass-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, rgba(255,255,255,0.45), rgba(255,255,255,0.15) 30%, rgba(255,255,255,0.35) 60%, rgba(255,255,255,0.1));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 26px 48px rgba(0,0,0,0.42);
}

.hidden {
    display: none !important;
}

/* Views (SPA) */
.view { display: none; opacity: 0; transform: translateY(12px) scale(0.98); visibility: hidden; pointer-events: none; }
.view.is-active { display: block; opacity: 1; transform: translateY(0) scale(1); visibility: visible; pointer-events: auto; }

/* Open-in-app banner */
#open-in-app-banner.open-in-app-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    box-shadow: var(--shadow-md);
    color: var(--text-color);
}

.open-in-app-banner .banner-text {
    font-size: 0.95rem;
}

.open-in-app-banner .banner-actions {
    display: flex;
    gap: 8px;
}

.open-in-app-banner button {
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.25);
    color: var(--text-color);
    cursor: pointer;
}

.open-in-app-banner button.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

/* Page views chip */
.page-views-chip {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 68px; /* above credits */
    z-index: 900;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 6px 12px;
    backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    color: var(--text-color);
    box-shadow: var(--shadow-md);
    font-size: 0.95rem;
}

/* Trophy scoreboard (search page) */
.trophy-scoreboard {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0.5rem auto 0.25rem auto;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    box-shadow: var(--shadow-md);
    color: var(--text-color);
    font-weight: 600;
}
.trophy-scoreboard .trophy-label { opacity: 0.9; font-weight: 600; }
.trophy-scoreboard .trophy-icon { filter: drop-shadow(0 1px 2px rgba(0,0,0,0.25)); }
.trophy-scoreboard .trophy-count { font-variant-numeric: tabular-nums; min-width: 1ch; text-align: right; }

/* --- Search Container --- */
#search-container h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

#search-bar {
    width: 100%;
    padding: 0.75rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.2);
    color: var(--text-color);
    font-size: 1rem;
}

#quiz-list .quiz-item,
#bird-list .quiz-item,
#runner-list .quiz-item,
#invaders-list .quiz-item,
#surfer-list .quiz-item {
    background: rgba(0,0,0,0.2);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    text-align: left;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
}

#quiz-list .quiz-item:hover,
#bird-list .quiz-item:hover,
#runner-list .quiz-item:hover,
#invaders-list .quiz-item:hover,
#surfer-list .quiz-item:hover { background: var(--glass-bg); transform: translateY(-1px); }

.quiz-item h3 {
    margin-bottom: 0.25rem;
}

.quiz-item p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Admin actions row inside quiz card */
.admin-actions {
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-top: .6rem;
}
.admin-actions .edit-btn,
.admin-actions .toggle-btn,
.admin-actions .delete-btn {
    background: rgba(0,0,0,0.25);
    color: #fff;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 0.35rem 0.7rem;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 16px rgba(0,0,0,0.25);
}
.admin-actions .edit-btn { background: linear-gradient(135deg, #28a745, #20c997); border: none; }
.admin-actions .toggle-btn { background: linear-gradient(135deg, #ffc107, #ff9800); border: none; }
.admin-actions .delete-btn { background: linear-gradient(135deg, #ff5a7a, #dc3545); border: none; }
.admin-actions button:hover { filter: brightness(1.05) saturate(1.05); }

/* --- Quiz Container --- */
#question-area {
    margin: 2rem 0;
    text-align: left;
}

#question-area h3 { margin-bottom: 1.5rem; font-size: 1.55rem; letter-spacing: .2px; }

/* Question image */
.question-media { margin: 0.5rem 0 1.25rem; text-align: center; }
.question-media img {
  max-width: 100%;
  height: auto;
  max-height: clamp(180px, 42vh, 520px); /* responsivo: limita altura em telas pequenas */
  width: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  cursor: zoom-in;
}

/* Lightbox para ampliar imagem */
.image-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  transition: opacity 180ms ease;
}
.image-lightbox-overlay.open { opacity: 1; }
.image-lightbox-content img {
  max-width: 92vw;
  max-height: 92vh;
  width: auto;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  cursor: zoom-out;
}

/* Quiz meta: shows progress like 1/20 */
.quiz-meta {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    min-height: 24px;
    margin-top: .25rem;
    margin-bottom: .5rem;
    font-size: .95rem;
    opacity: .9;
}

/* Progress bar for question count */
#quiz-progress.progress {
    position: relative;
    width: 100%;
    height: 22px;
    border-radius: 999px;
    background: rgba(0,0,0,0.18);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    margin: 0.25rem 0 1rem 0;
    backdrop-filter: blur(calc(var(--glass-blur) * 0.5));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.5));
}

#quiz-progress .progress-bar {
    position: absolute;
    left: 0; top: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transition: width var(--motion-transition) var(--ease-enter);
}

#quiz-progress .progress-label {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-color);
    pointer-events: none;
    text-shadow: 0 1px 2px rgba(0,0,0,0.25);
}

.option {
    display: block;
    width: 100%;
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    backdrop-filter: blur(calc(var(--glass-blur) * 0.5));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.5));
}

.option:hover { background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.06)); border-color: var(--glass-highlight); }

.option.correct,
.option.correct:hover {
    background: var(--correct-color) !important;
    background-color: var(--correct-color) !important;
    color: #ffffff !important;
    border-color: var(--correct-color) !important;
}

.option.incorrect,
.option.incorrect:hover {
    background: var(--incorrect-color) !important;
    background-color: var(--incorrect-color) !important;
    color: #ffffff !important;
    border-color: var(--incorrect-color) !important;
}

.option.disabled {
    pointer-events: none;
    opacity: 0.7;
}

#fill-in-blank-input {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
    color: var(--text-color);
    font-size: 1rem;
    margin-top: 1rem;
    backdrop-filter: blur(calc(var(--glass-blur) * 0.4));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.4));
}

/* Light theme legibility for light glass options */
body.light-theme .option {
    color: #111111;
}

#submit-fill-btn {
    margin-top: 1rem;
}

/* --- Results Container --- */
#score-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1rem 0;
}

#motivational-message {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* --- Buttons --- */
button {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    border: 0;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    margin: 0.5rem;
    box-shadow: 0 10px 24px rgba(0, 114, 255, 0.35);
}

button:hover { transform: translateY(-2px); filter: saturate(1.05); box-shadow: 0 14px 28px rgba(0, 114, 255, 0.45); }
button:active { transform: translateY(0) scale(0.98); transition-duration: var(--motion-tap); }

/* --- Review Styles --- */
.review-item {
    background: rgba(0,0,0,0.15);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    text-align: left;
    border-left: 4px solid var(--primary-color);
}

.review-item h4 {
    margin-bottom: 0.75rem;
}

.review-item p {
    margin-bottom: 0.5rem;
}

/* --- Admin Users Table --- */
#users-table td { vertical-align: middle; }
.user-cell { display: flex; align-items: center; gap: .5rem; }
.user-cell .user-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-cell .delete-btn { margin: 0 0 0 .5rem; padding: .35rem .6rem; font-size: .9rem; box-shadow: none; }

.incorrect-text {
    color: var(--incorrect-color);
    font-weight: bold;
}

.correct-text {
    color: var(--correct-color);
    font-weight: bold;
}

.explanation-text {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.95rem;
    opacity: 0.9;
}

#explanation-area {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(0,0,0,0.2);
    text-align: left;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- App Header and Icons --- */
.app-header {
    position: fixed;
    top: calc(env(safe-area-inset-top) + 10px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    align-items: center;
    z-index: 1000;
    padding: 8px 10px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--glass-bg), var(--glass-tint));
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(calc(var(--glass-blur) * 0.8)) saturate(140%);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.8)) saturate(140%);
    box-shadow: var(--shadow-md);
}

.icon-button {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-color);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.2);
    margin: 0;
    padding: 0;
}

.icon-button:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 16px 28px rgba(0, 0, 0, 0.28); }
.icon-button:active { transform: translateY(0) scale(0.97); transition-duration: var(--motion-tap); }

/* Install button tweak */
#install-button { background: linear-gradient(135deg, #1fddff, #28a7ed); }

/* Icons inside header capsule: minimal chrome */
.app-header .icon-button {
    background: transparent;
    border: none;
    box-shadow: none;
}

/* Credits footer */
.app-credits {
    width: min(92vw, 720px);
    margin: 1rem auto 0 auto;
    text-align: center;
    opacity: 0.8;
    font-size: 0.85rem;
}
.app-credits.fixed {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(env(safe-area-inset-bottom) + 10px);
    z-index: 100;
    padding: 4px 6px;
    border-radius: 6px;
    background: transparent;
    border: none;
}
.app-credits a { color: inherit; text-decoration: underline; }
.app-credits .credit-icon { margin-left: .5rem; text-decoration: none; display:inline-flex; align-items:center; transition: transform .15s ease, opacity .15s ease; }
.app-credits .credit-icon svg { display:block; width: 18px; height: 18px; opacity: .9; }
.app-credits .credit-icon:hover { transform: translateY(-1px); }
.app-credits .credit-icon:hover svg { opacity: 1; }

/* Themed accent colors */
.app-credits .credit-icon.email { color: var(--secondary-color); }
.app-credits .credit-icon.whatsapp { color: #25D366; }
body.light-theme .app-credits .credit-icon.email { color: #0a84ff; }
body.light-theme .app-credits .credit-icon.whatsapp { color: #25D366; }

/* --- Modal Styles --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.15);
    -webkit-backdrop-filter: blur(0px);
    backdrop-filter: blur(0px);
    display: flex;
    justify-content: center;
    align-items: flex-end; /* sheet from bottom */
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--motion-transition) var(--ease-enter), visibility 0s linear var(--motion-transition), backdrop-filter var(--motion-transition) var(--ease-enter);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 720px;
    max-height: 86vh; /* Limit height for scrolling */
    overflow-y: auto; /* Enable scrolling for content */
    padding: 1.5rem 1rem 2rem 1rem;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0; /* sheet top corners */
    box-shadow: var(--shadow-lg);
    transform: translateY(24px);
    transition: transform var(--motion-sheet) var(--ease-enter);
}

.modal-content h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.close-button:hover { background: rgba(255, 255, 255, 0.16); }

.settings-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.settings-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.settings-section h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.settings-section p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.json-format-example {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Fira Code', 'Consolas', 'monospace';
    font-size: 0.85rem;
    white-space: pre-wrap; /* Preserve whitespace and wrap text */
    word-break: break-all; /* Break long words */
    max-height: 200px; /* Limit height for long examples */
    overflow-y: auto; /* Enable scrolling for the code block */
}

/* iOS-style switch */
.ios-switch { display:flex; align-items:center; gap:.75rem; user-select:none; }
.ios-switch .label-text { font-size: .95rem; }
.ios-switch input { position:absolute; opacity:0; width:0; height:0; }
.ios-switch .slider {
  position: relative;
  width: 52px; height: 30px; border-radius: 999px;
  background: rgba(255,255,255,0.25);
  border: 1px solid var(--glass-border);
  transition: all .2s ease;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.25);
}
.ios-switch .slider::after {
  content: '';
  position: absolute; top: 2px; left: 2px;
  width: 26px; height: 26px; border-radius: 50%;
  background: #fff;
  transition: transform .2s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.ios-switch input:checked + .slider {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  border-color: transparent;
}
.ios-switch input:checked + .slider::after { transform: translateX(22px); }

.message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.message.success {
    background-color: var(--correct-color);
    color: white;
}

.message.error {
    background-color: var(--incorrect-color);
    color: white;
}

/* --- Fireworks (CSS) --- */
/* Hide the old canvas if present */
#fireworksCanvas { display: none; }

/* Ensure quiz container can host absolutely positioned effects */
#quiz-container { position: relative; overflow: visible; }

.firework {
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 0;
    pointer-events: none;
    z-index: 20;
    transform: translate(-50%, -50%);
}

.firework .particle {
    position: absolute;
    left: 0;
    top: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: fw-particle var(--fw-duration, 720ms) ease-out forwards;
    will-change: transform, opacity;
    filter: drop-shadow(0 0 4px currentColor) drop-shadow(0 0 8px currentColor);
}

@keyframes fw-particle {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(0.85);
    }
}

/* Preview box inside settings modal */
.fw-preview {
    position: relative;
    width: 100%;
    height: 160px;
    border: 1px dashed var(--glass-border);
    border-radius: 10px;
    background: rgba(0,0,0,0.1);
    overflow: hidden;
}

/* --- Motivational Toast --- */
.motivation-toast {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translate(-50%, -10px) scale(0.96);
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    color: #ffffff;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
    z-index: 30;
    pointer-events: none;
    animation: toast-pop var(--toast-duration, 2000ms) ease forwards;
}

@keyframes toast-pop {
    0% { opacity: 0; transform: translate(-50%, -14px) scale(0.94); }
    12% { opacity: 1; transform: translate(-50%, 0) scale(1); }
    88% { opacity: 1; transform: translate(-50%, 0) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -8px) scale(0.98); }
}

.motivation-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 25;
    pointer-events: none;
}

/* --- Notice Toast (lightweight) --- */
.notice-toast {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translate(-50%, 0);
    background: #f59e0b; /* amber */
    color: #111111;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(0,0,0,0.08);
    z-index: 30;
    pointer-events: none;
    font-weight: 600;
}
body.perf-mode .notice-toast { background: #f7b731; }

/* Upload JSON textarea */
.json-textarea {
    width: 100%;
    min-height: 140px;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.2);
    color: var(--text-color);
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
}

/* Modal open/close states */
.modal-overlay.open { opacity: 1; visibility: visible; pointer-events: auto; background: rgba(0,0,0,0.35); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); transition: opacity var(--motion-transition) var(--ease-enter), backdrop-filter var(--motion-transition) var(--ease-enter); }
.modal-overlay.open .modal-content { transform: translateY(0); }
.modal-overlay.closing { opacity: 0; -webkit-backdrop-filter: blur(0px); backdrop-filter: blur(0px); transition: opacity var(--motion-transition) var(--ease-exit), backdrop-filter var(--motion-transition) var(--ease-exit); }
.modal-overlay.closing .modal-content { transform: translateY(24px); transition: transform var(--motion-sheet) var(--ease-exit); }

/* Settings modal centered (less ‘low’) */
#settings-modal { align-items: center; }
#settings-modal .modal-content {
  max-width: 560px;
  border-radius: var(--radius-xl);
  transform: translateY(12px);
}

/* Badges for percentages */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(4px);
}
.badge--red {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.14);
}
.badge--yellow {
  color: #ffd166;
  background: rgba(255, 209, 102, 0.14);
}
.badge--blue {
  color: #66c0ff;
  background: rgba(102, 192, 255, 0.16);
}

/* Quiz list: best score adornment */
.quiz-item h3 .quiz-best { font-size: 0.9rem; font-weight: 600; margin-left: .5rem; }
.quiz-item h3 .quiz-best.no-score { opacity: .8; }
.quiz-item h3 .quiz-best .badge { vertical-align: middle; }

/* Admin scores table polish */
#scores-table th, #scores-table td { font-size: 0.95rem; }
#scores-table tbody tr:hover { background: rgba(255,255,255,0.04); }
#settings-modal.open .modal-content { transform: translateY(0); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 120ms !important; transition-duration: 120ms !important; }
  .view { transform: none !important; }
  .modal-content { transform: none !important; }
}

/* --- Starry Meteors --- */
body.starry-theme .background-shapes .meteor {
    position: absolute;
    width: 2px; height: 2px; /* anchor point */
    pointer-events: none;
    z-index: 1;
    transform: rotate(var(--angle, -40deg));
    opacity: 0.95;
}

body.starry-theme .background-shapes .meteor::before {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: var(--len, 140px);
    height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.65) 30%, rgba(255,255,255,0.0) 80%);
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.7)) drop-shadow(0 0 12px rgba(90,150,255,0.4));
    transform: translateX(0);
    animation: meteor-travel var(--dur, 4s) linear forwards;
}

@keyframes meteor-travel {
  0% { transform: translateX(0); opacity: 1; }
  92% { opacity: 1; }
  100% { transform: translateX(calc(100vw + 260px)); opacity: 0; }
}

/* --- Module Toggle --- */
.module-btn {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.2);
  color: var(--text-color);
  font-weight: 700;
}
.module-btn.active {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: #fff;
  border: 0;
}

/* --- Games List --- */
#game-list .game-item {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  border: 1px solid var(--glass-border);
  padding: 1rem;
  border-radius: 12px;
  margin: 0.75rem 0;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s ease, background 0.3s ease;
  backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
  -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.6));
}
#game-list .game-item:hover { background: var(--glass-bg); transform: translateY(-1px); }

/* --- Memory Game Board --- */
.game-boards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 0.5rem;
}
.game-column {
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 10px;
}
.game-column-title {
  font-weight: 800;
  font-size: 0.95rem;
  opacity: .9;
  text-align: left;
}
.game-board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 14px;
  margin-top: 1rem;
}
.card { position: relative; height: 140px; perspective: 1000px; }
.card-inner {
  position: absolute; inset: 0; border-radius: 12px; border: 1px solid var(--glass-border);
  transform-style: preserve-3d; transition: transform 420ms var(--ease-enter), box-shadow 220ms ease;
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
  box-shadow: 0 8px 18px rgba(0,0,0,0.22);
}
.card:hover .card-inner { box-shadow: 0 12px 26px rgba(0,0,0,0.28); }
.card.flipped .card-inner,
.card.matched .card-inner { transform: rotateY(180deg); }
.card-face { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 12px; }
.card-back {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: #fff; font-size: 1.6rem; font-weight: 800;
}
.card-back .card-mark { filter: drop-shadow(0 4px 10px rgba(0,0,0,0.35)); }
.card-front {
  background: #0b1226; color: #fff; transform: rotateY(180deg);
  padding: 8px; text-align: center; border: 1px solid rgba(255,255,255,0.08);
}
.card-text { font-weight: 700; font-size: 1rem; line-height: 1.2; display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; padding: 4px; }
.card.matched .card-inner { box-shadow: 0 10px 24px rgba(0,198,255,0.35); }

/* Expand button visible only when flipped/matched */
.card-expand {
  position: absolute;
  right: 6px;
  top: 6px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.35);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}
.card.flipped .card-expand, .card.matched .card-expand { opacity: 1; pointer-events: auto; }
.card-expand:hover { filter: brightness(1.1); }

/* Text lightbox overlay */
.text-lightbox-overlay {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(0,0,0,0.75);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 180ms ease;
}
.text-lightbox-overlay.open { opacity: 1; }
.text-lightbox {
  max-width: min(92vw, 720px);
  max-height: 80vh;
  background: #0b1226;
  color: #fff;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 16px;
  overflow: auto;
  box-shadow: 0 14px 36px rgba(0,0,0,0.45);
}
.text-lightbox h3 { margin-bottom: .5rem; font-size: 1.15rem; }
.text-lightbox .content { white-space: pre-wrap; line-height: 1.45; font-size: 1.05rem; }

@media (max-width: 420px) {
  .game-boards { grid-template-columns: 1fr; }
  .game-board { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; }
  .card { height: 132px; }
}

/* --- Bird Game --- */
.bird-wrap { position: relative; display: flex; justify-content: center; }
#bird-canvas { width: 100%; height: auto; border: 1px solid var(--glass-border); border-radius: 12px; background: #0b1226; }
.bird-hud { position: absolute; left: 10px; top: 10px; z-index: 2; background: rgba(0,0,0,0.35); padding: 6px 10px; border-radius: 999px; border: 1px solid var(--glass-border); }
.bird-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.6); z-index: 3; }
.bird-overlay.hidden { display: none; }
.bird-card { background: #0b1226; color: #fff; border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 16px; max-width: min(92vw, 640px); }
.bird-qtext { font-weight: 700; margin-bottom: .5rem; }
.bird-qoptions { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: .5rem; margin-top: .5rem; }
.bird-qoptions .option { padding: .5rem; border-radius: 10px; border: 1px solid var(--glass-border); background: rgba(0,0,0,0.25); color: #fff; }
.bird-qoptions .option:hover { filter: brightness(1.1); }
.bird-qinput { display: flex; gap: .5rem; margin-top: .5rem; }
.bird-qinput input { flex: 1; padding: .5rem; border-radius: 10px; border: 1px solid var(--glass-border); background: rgba(0,0,0,0.25); color: #fff; }

/* --- Runner Game --- */
.runner-wrap { position: relative; display: flex; justify-content: center; }
#runner-canvas { width: 100%; height: auto; border: 1px solid var(--glass-border); border-radius: 12px; background: #0b1226; }
.runner-hud { position: absolute; left: 10px; top: 10px; z-index: 2; background: rgba(0,0,0,0.35); padding: 6px 10px; border-radius: 999px; border: 1px solid var(--glass-border); }
.runner-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.6); z-index: 3; }
.runner-overlay.hidden { display: none; }
.runner-card { background: #0b1226; color: #fff; border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 16px; max-width: min(92vw, 640px); }
.runner-qtext { font-weight: 700; margin-bottom: .5rem; }
.runner-qoptions { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: .5rem; margin-top: .5rem; }
.runner-qoptions .option { padding: .5rem; border-radius: 10px; border: 1px solid var(--glass-border); background: rgba(0,0,0,0.25); color: #fff; }
.runner-qoptions .option:hover { filter: brightness(1.1); }
.runner-qinput { display: flex; gap: .5rem; margin-top: .5rem; }
.runner-qinput input { flex: 1; padding: .5rem; border-radius: 10px; border: 1px solid var(--glass-border); background: rgba(0,0,0,0.25); color: #fff; }
.emoji-btn { border: 1px solid var(--glass-border); background: rgba(0,0,0,0.25); color: var(--text-color); border-radius: 8px; padding: .25rem .4rem; cursor: pointer; }
.emoji-btn.active { outline: 2px solid var(--primary-color); }

/* --- Surfer Game (reusa estilos do Runner) --- */
.surfer-wrap { position: relative; display: flex; justify-content: center; }
#surfer-canvas { width: 100%; height: auto; border: 1px solid var(--glass-border); border-radius: 12px; background: #0b1226; }
.surfer-hud { position: absolute; left: 10px; top: 10px; z-index: 2; background: rgba(0,0,0,0.35); padding: 6px 10px; border-radius: 999px; border: 1px solid var(--glass-border); }
.surfer-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.6); z-index: 3; }
.surfer-overlay.hidden { display: none; }
.surfer-card { background: #0b1226; color: #fff; border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 16px; max-width: min(92vw, 640px); }
.surfer-frame { width: 100%; height: 300px; border: 0; border-radius: 12px; background: #000; }